4128877541805 has 16 divisors (see below), whose sum is σ = 6640433108160. Its totient is φ = 2190658341888.

The previous prime is 4128877541777. The next prime is 4128877541827. The reversal of 4128877541805 is 5081457788214.

It is not a de Polignac number, because 4128877541805 - 2²⁶ = 4128810432941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713102035 + ... + 713107824.

It is an arithmetic number, because the mean of its divisors is an integer number (415027069260).

Almost surely, 2^{4128877541805} is an apocalyptic number.

It is an amenable number.

4128877541805 is a deficient number, since it is larger than the sum of its proper divisors (2511555566355).

4128877541805 is a wasteful number, since it uses less digits than its factorization.

4128877541805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426210060.

The product of its (nonzero) digits is 20070400, while the sum is 60.

The spelling of 4128877541805 in words is "four trillion, one hundred twenty-eight billion, eight hundred seventy-seven million, five hundred forty-one thousand, eight hundred five".